vanilla-extract-css/vanilla-extract
Vanilla Extract
vanilla-extract is a type-safe CSS-in-JS library and zero-runtime CSS framework. It uses TypeScript to define styles and design tokens, compiling these definitions into static CSS files during the build process to eliminate styling overhead in the browser.
The system acts as a scoped CSS generator, producing unique class names and local variables to prevent global style leakage and naming collisions. It provides a type-safe styling tool that validates CSS property values and ensures design tokens adhere to defined themes during development.
The framework covers comprehensive styling utilities including component style isolation, static CSS compilation, and type-safe design theme management. These capabilities allow for the creation of consistent visual systems and the ability to switch between multiple themes.
Features
- Zero-Runtime Styling Engines - Implements a zero-runtime styling engine that shifts all CSS generation to the compile-time step.
- Zero-Runtime - Converts TypeScript style definitions into standard CSS files to improve browser performance.
- Component Styling - Ensures styles remain local to specific components by assigning unique identifiers to classes and variables.
- CSS-in-JS Compilers - Compiles type-safe CSS-in-JS definitions into static CSS files to remove runtime overhead.
- Scoped Style Generators - Generates unique class names and local variables to isolate styles to individual UI components.
- Type-Safe Style Schemas - Uses TypeScript as a configuration language to define type-safe constraints for styles and tokens.
- Static Style Generators - Compiles styles into static files during the build process to eliminate browser-side computation.
- Type-Safe Styling Utilities - Provides development tools to ensure CSS property values are valid through TypeScript type checking.
- CSS Build Tools - Provides a build-time engine that compiles TypeScript style definitions into static CSS files.
- CSS Property Validations - Uses type definitions to validate that CSS property values adhere to standard specifications.
- CSS Scoping Engines - Provides a build-time engine to isolate locally scoped variables, animations, and font rules.
- CSS Class Prefixing - Generates unique and deterministic identifiers for CSS classes at build time to prevent naming collisions.
- Type-Safe Theme Customization - Implements a type-safe theme system with scoped variables for switching between multiple visual themes.
- Theme Compilers - Processes theme variables during the build phase to generate static CSS custom properties.
- Type-Safe Design Systems - Enables the creation of consistent, type-safe design themes that can be shared and switched dynamically.
- Styling - Zero-runtime CSS-in-JS with full TypeScript support.
- Styling and Icons - Zero-runtime stylesheet generation.
